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P. Vasudevan
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The gases used in different types of welding would include
The gases used in different types of welding would include
A. oxygen and hydrogen
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A. oxygen and hydrogen
B. oxygen, hydrogen, acetylene and nitrogen
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B. oxygen, hydrogen, acetylene and nitrogen
C. oxygen, acetylene and argon
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C. oxygen, acetylene and argon
D. oxygen and acetylene
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D. oxygen and acetylene
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